private static void DecompressWorkThread(object state)
{
BundleDownloader bdl = state as BundleDownloader;
if (System.IO.File.Exists(bdl.mDestPath))
{
System.IO.File.Delete(bdl.mDestPath);
}
if (bdl.mBytes == null || bdl.mBytes.Length == 0)
{
EB.Debug.LogError("DecompressWorkThread: empty bytes for bundle {0}", bdl.mName);
bdl.mError = "Decompress bundle failed, empty bytes";
return;
}
try
{
using (System.IO.FileStream fs = new System.IO.FileStream(bdl.mDestPath, System.IO.FileMode.CreateNew, System.IO.FileAccess.Write, System.IO.FileShare.Write))
{
HTTP.Zlib.ZlibStream zo = new HTTP.Zlib.ZlibStream(fs, HTTP.Zlib.CompressionMode.Decompress);
zo.Write(bdl.mBytes, 0, bdl.mBytes.Length);
bdl.mUncompressedSize = zo.TotalOut;
EB.Debug.LogWarning("Saved asset bundle {0} to {1}, Original Size:{2}, Uncompressed Size:{3}", bdl.mName, bdl.mDestPath, bdl.mBytes.Length, bdl.mUncompressedSize);
zo.Flush();
zo.Close();
zo = null;
fs.Close();
fs.Dispose();
if (bdl.mBytes != null)
{
downloadBytes += bdl.mBytes.Length;
if (bdl.mBytes.Length > 10000000)
{
int gid = System.GC.GetGeneration(bdl.mBytes);
bdl.mBytes = null;
System.GC.Collect(gid);
}
else
{
bdl.mBytes = null;
}
if (downloadBytes > 30000000)
{
System.GC.Collect();
downloadBytes = 0;
}
}
}
}
catch (System.Exception ex)
{
bdl.mError = ex.Message;
EB.Debug.LogError("Decompress bundle {0} error {1} stack {2}", bdl.mName, ex.Message, ex.StackTrace);
}
bdl.mDecompressDone = true;
}
/// <summary>
/// 压缩指定路径的Bundle文件为CZ格式
/// </summary>
/// <param name="bundlePath"></param>
/// <param name="deleteSource"></param>
/// <returns></returns>
private static bool CompressBundle(ref string bundlePath, bool deleteSource = false)
{
string zipFilePath = Path.ChangeExtension(bundlePath, "cz");
FileStream fin = null;
FileStream fout = null;
//ComponentAce.Compression.Libs.zlib.ZOutputStream zout = null;
HTTP.Zlib.ZlibStream zout = null;
bool result = false;
int BUFFER_SIZE = 8192;
try
{
if (File.Exists(zipFilePath))
{
File.Delete(zipFilePath);
}
fin = new FileStream(bundlePath, FileMode.Open, FileAccess.Read);
fout = new FileStream(zipFilePath, FileMode.CreateNew, FileAccess.Write);
// move Plugins/zlib to Plugins/Editor/zlib to reduce package size
//zout = new ComponentAce.Compression.Libs.zlib.ZOutputStream(fout, -1);
zout = new HTTP.Zlib.ZlibStream(fout, HTTP.Zlib.CompressionMode.Compress);
int n = 0;
byte[] buffer = new byte[BUFFER_SIZE];
do
{
n = fin.Read(buffer, 0, BUFFER_SIZE);
zout.Write(buffer, 0, n);
} while (n > 0);
// using (Ionic.Zip.ZipFile zp = new Ionic.Zip.ZipFile(zipFilePath))
// {
// zp.AddFile(bundlePath, ".");
// zp.Save();
// }
if (deleteSource)
{
if (fin != null)
{
fin.Close();
}
System.IO.File.Delete(bundlePath);
}
result = true;
}
catch (Exception eError)
{
Debug.LogException(eError);
Debug.LogError(System.String.Format("Compress {0} to {1} failed. Fatal Error!", bundlePath, zipFilePath));
result = false;
}
finally
{
if (zout != null)
{
zout.Flush();
zout.Close();
}
if (fin != null)
{
fin.Close();
}
if (fout != null)
{
fout.Close();
}
bundlePath = zipFilePath;
}
return(result);
}
